<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleanf.org">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
<span th:text="${err}"></span>
<form action="/usian/login" method="post">
    用户名：<input type="text" name="userName"><br>
    密码：<input type="text" name="password"><br>
    <input type="submit" value="登录">
    <a href="toregist">注册</a>
    <a href="toeditpassword">忘记密码</a>
</form>
</body>
</html>